Lei Han

Title: Lei Han: Innovator in Coal Mine Technology

Introduction

Lei Han is a notable inventor based in Jinan, China. He has made significant contributions to the field of coal mine technology, holding a total of 3 patents. His work focuses on innovative methods that enhance safety and efficiency in mining operations.

Latest Patents

One of Lei Han's latest patents is titled "Graded plugging, monitoring and reinforcing integrated method for separation stratum grouting under single-side open conditions." This invention addresses the technical challenges associated with coal mine filling and mining. The method involves analyzing the development law of a separation stratum, determining the protective coal pillars' scope, constructing a combined plugging dam, and implementing local reinforcement measures. This approach effectively prevents grout from migrating towards the remaining space of a target separation stratum during grouting, thereby enhancing the effectiveness of the process.

Another significant patent is the "Induced polarization method and system mounted on while drilling-type drill rig based on long-length power source for water detection in tunnels." This invention provides a dynamic identification of hazardous water sources in front of the tunnel face. The system includes a long-length power source module, an array-type data collection module, and a positioning and interpretation module. This technology allows for real-time water detection while drilling, improving safety in tunnel operations.

Career Highlights

Lei Han is affiliated with Shandong University, where he continues to advance his research and innovations in mining technology. His work has garnered attention for its practical applications in enhancing mining safety and efficiency.

Collaborations

Lei collaborates with several colleagues, including Lichao Nie and Zhaoyang Deng, who contribute to his research efforts and innovations in the field.

Conclusion

In summary, Lei Han is a prominent inventor whose work in coal mine technology has led to significant advancements in safety and efficiency. His innovative patents reflect his commitment to improving mining practices and addressing industry challenges.